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    <title>
      Overlapping products in a common source tree
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    <h1>
      Overlapping Products in a Common Source Tree
    </h1>
    <h3>
      Layout on File System
    </h3>
    <ul>

      <li>The Java source files for products are all held in a single main
      directory.
      </li>
      <li>Products are separated into four siblings packages
      <i><code>Product1</code></i>, <i><code>Product2</code></i>,
      <i><code>Product3</code></i> and <i><code>Product4</code></i>.
        <p>
          <img src="images/qs-WorkingWithExistingLayout20.png" alt=
          "Layout on file system" />

        </p>
      </li>
    </ul>
    <h3>
      Steps for Defining Corresponding "Product1" and "Product2" Projects
    </h3>
    <ol>
      <li>
        <p>

          Click <a class="command-link" href=
          'javascript:executeCommand("org.eclipse.ui.perspectives.showPerspective(org.eclipse.ui.perspectives.showPerspective.perspectiveId=org.eclipse.jdt.ui.JavaPerspective)")'>
          <img src="PLUGINS_ROOT/org.eclipse.help/command_link.svg" alt=
          "Opens the Java perspective" /> <strong>Window &gt; Open Perspective
          &gt; Other... &gt; Java</strong></a> to change to the Java
          perspective.
        </p>
      </li>

      <li>
        <p>
          Click <a class="command-link" href=
          'javascript:executeCommand("org.eclipse.ui.newWizard(newWizardId=org.eclipse.jdt.ui.wizards.JavaProjectWizard)")'>
          <img src="PLUGINS_ROOT/org.eclipse.help/command_link.svg" alt=
          "Opens the New Java Project wizard" /> <strong>File &gt; New &gt;
          Other... &gt; Java Project</strong></a> to open the <strong>New Java
          Project</strong> wizard.
        </p>

      </li>
      <li>
        <p>
          Type "Product1" in the <strong>Project name</strong> field. Click
          <strong>Next</strong>.
        </p>
        <p>
          <img src="images/qs-WorkingWithExistingLayout21.png" alt=
          "New Java Project wizard" />

        </p>
      </li>
      <li>
        <p>
          On the next page, Select "Product1" source folder.
        </p>
        <p>
          Click <strong>Link additional source</strong> link in
          <strong>Details</strong> pane or button <img src=
          "images/add_linked_source_to_buildpath.svg" alt=
          "Link Additional Source to Project" /> in view bar.
        </p>

        <p>
          <img src="images/qs-WorkingWithExistingLayout22.png" alt=
          "Java Project Source setup" />
        </p>
      </li>
      <li>
        <p>
          In <strong>Link Source</strong> click <strong>Browse....</strong> and
          choose the <i><code>D:\AllJavaSourceFiles</code></i> directory.
        </p>

        <p>
          Type "src" in <strong>Folder name</strong>.
        </p>
        <p>
          <img src="images/qs-WorkingWithExistingLayout23.png" alt=
          "Link Source dialog" />
        </p>
      </li>
      <li>

        <p>
          Click <strong>Finish</strong> to validate and close the dialog.
        </p>
      </li>
      <li>
        <p>
          Expand the "src" source folder. Select the three last packages and
          exclude them from build path using either <strong>Exclude from build
          path</strong> link or <strong>Exclude</strong> popup-menu item.
        </p>

        <p>
          <img src="images/qs-WorkingWithExistingLayout24.png" alt=
          "Exclude packages from build path" />
        </p>
      </li>
      <li>
        <p>
          Your project source setup now looks as follows:
        </p>
        <p>

          <img src="images/qs-WorkingWithExistingLayout25.png" alt=
          "Java Project Source final setup" />
        </p>
      </li>
      <li>
        <p>
          Click <strong>Finish</strong>.
        </p>
      </li>

      <li>
        <p>
          Copy "Product1" project and paste it as "Product2".
        </p>
        <p>
          Edit "Product2" project properties and go on <strong>Java Build
          Path</strong> page.
        </p>
        <p>

          In <strong>Source</strong> tab, expand "Product2/src" source folder,
          select <strong>Excluded</strong> and click <strong>Edit...</strong>.
        </p>
        <p>
          <img src="images/qs-WorkingWithExistingLayout26.png" alt=
          "Java Build Path Properties Source tab" />
        </p>

      </li>
      <li>
        <p>
          In <strong>Inclusion and Exclusion Patterns</strong>, select
          "com/xyz/product2" and click <strong>Edit...</strong>.
        </p>
        <p>
          <img src="images/qs-WorkingWithExistingLayout27.png" alt=
          "Inclusion and Exclusion Patterns dialog" />

        </p>
      </li>
      <li>
        <p>
          Change "com/xyz/product2" to "com/xyz/product1".
        </p>
        <p>
          <img src="images/qs-WorkingWithExistingLayout28.png" alt=
          "Edit Exclusion Pattern dialog" />
        </p>

      </li>
      <li>
        <p>
          Click <strong>OK</strong> to enter the change.
        </p>
        <p>
          Click <strong>Finish</strong> to validate and close <strong>Inclusion
          and Exclusion Patterns</strong> dialog.
        </p>

        <p>
          Click <strong>OK</strong> again to validate "Product2" project
          properties changes.
        </p>
      </li>
      <li>
        <p>
          You now have two Java projects which respectively contain the sources
          of "product1", "product2".
        </p>

        <p>
          <img src="images/qs-WorkingWithExistingLayout29.png" alt=
          "Created Java projects in Workspace" />
        </p>
      </li>
    </ol>
    <p class="nav_footer" id="nav_footer">
      Next Section: <a href="qs-WorkingWithExistingLayout3.htm">Product with
      nested tests</a>
    </p>

    <h3 class="related">Related Concepts</h3>
      <a href="../concepts/concept-java-project.htm">Java projects</a><br />
      <a href="../concepts/concept-java-views.htm">Java views</a>

    <h3 class="related">Related References</h3>
      <a href="../reference/ref-wizard-java-project.htm">New Java Project
      Wizard</a><br />
      <a href="../reference/views/ref-view-package-explorer.htm">Package
      Explorer View</a>
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